package com.service.Authorization.util;

import javax.servlet.http.HttpServletRequest;

public class TransformationIp {
    public static String getRealIp(HttpServletRequest request) {
        return getString(request);

    }

    public static String getString(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        ip = getString(request, ip);
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;
    }

    public static String getString(HttpServletRequest request, String ip) {
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }

        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        return ip;
    }
}
